A gigantic map of all the cool plaques in the world. A project of 99% Invisible.
Explore the 20,000+ worldwide plaques on the Big Map big map screenshot
The most recent plaques:

Tsunami Buoy

In 1995, NOAA began the development of the Deep-ocean Assessment and Detection of Tsunami (DART) system to provide better warnings for tsunami-prone communities. Until 2004, the U.S. operated 6...

In 1995, NOAA began the development of the Deep- ocean Assessment and Detection of Tsunami (DART) system to provide better warnings for tsunami- prone communities. Until 2004, the U.S. operated...

  • mississippi

Tao Buoy

NOAA completed the Tropical Atmosphere Ocean (TAO) array for the detection of El Niño and La Niña in the Pacific Ocean in 1994 after 10 years of development in which NOAA deployed 400 buoys on 83...

NOAA completed the Tropical Atmosphere Ocean (TAO) array for the detection of El Niño and La Niña in the Pacific Ocean in 1994 after 10 years of development in which NOAA deployed 400 buoys on...

  • mississippi
  • noaa

Special Operations Craft Riverine (SOC-R)

The SOC-R is designed as a high speed boat with ample weapons and equipment capacity. Its primary mission is insertion/extraction of SEALs into a low-to-medium threat environment in a riverine...

The SOC-R is designed as a high speed boat with ample weapons and equipment capacity. Its primary mission is insertion/extraction of SEALs into a low-to-medium threat environment in a...

  • mississippi

H-1 Rocket Engine

Developed by Rocketdyne, the H-1 rocket engine burned liquid oxygen and propellant RP-1, a kerosene derivative. A cluster of eight H-1 engines powered the Saturn S-1B rocket's first stage,...

Developed by Rocketdyne, the H-1 rocket engine burned liquid oxygen and propellant RP-1, a kerosene derivative. A cluster of eight H-1 engines powered the Saturn S-1B rocket's first stage,...

  • mississippi
  • nasa
  • rockets

F-1 Rocket Engine

Developed by Rocketdyne, five F-1 engines powered the S-1C first stage of the Saturn V rocket that launched humans to the moon during the Apollo Program and later to the orbiting Skylab...

Developed by Rocketdyne, five F-1 engines powered the S-1C first stage of the Saturn V rocket that launched humans to the moon during the Apollo Program and later to the orbiting...

  • mississippi
  • nasa
  • lunar
  • rocket

Hurricane Katrina

Never has there been such a volunteer effort than was shown after Hurricane Katrina on August 29, 2005. We thank all who came to our aid and gave us hope and help after the devastation of this...

Never has there been such a volunteer effort than was shown after Hurricane Katrina on August 29, 2005. We thank all who came to our aid and gave us hope and help after the devastation of this...

  • mississippi
  • hurricane katrina
  • memorial
  • waveland
  • disaster

Lunar Lander

During the 1960s, this vehicle was used as a trainerby the Apollo astronauts for their moon missions."The Eagle has landed," said astronaut Neil Armstrong as he and Buzz Aldrin descended in their...

During the 1960s, this vehicle was used as a trainerby the Apollo astronauts for their moon missions."The Eagle has landed," said astronaut Neil Armstrong as he and Buzz Aldrin descended in their...

  • mississippi
  • lunar
  • nasa

From The People of Waveland

In appreciation and gratitude to all who gave their time, energy, and money to help us recover from Hurricane Camille. On August 17, 1969 our city was devastated, but those who cared came to her rescue.

In appreciation and gratitude to all who gave their time, energy, and money to help us recover from Hurricane Camille. On August 17, 1969 our city was devastated, but those who cared came to her rescue.

  • mississippi
  • hurricane camile
  • disaster

Harmony Grove Anti- Slavery Rostrum

1850 -- 1875HARMONY GROVE Anti-Slavery RostrumGATHERINGS HERE LED THE AGITATION WHICH RESULTED IN THE ABOLITION OF SLAVERY IN AMERICA FRAMINGHAM HISTORICAL SOCIETY 1915 It was during this rally...

1850 -- 1875HARMONY GROVE Anti-Slavery RostrumGATHERINGS HERE LED THE AGITATION WHICH RESULTED IN THE ABOLITION OF SLAVERY IN AMERICA FRAMINGHAM HISTORICAL SOCIETY 1915 It was during this rally...

  • slavery
  • abolition
  • rostrum

Thomas P. Hennessey Fields

    Jolie Crider Memorial Skatepark 2.0

    Submitted by @jonathan_nesci

    Submitted by @jonathan_nesci

      Haney's Big House (July 2, 1895 - February 12, 1972)

      Will Haney, a World War I vet, was one of Ferriday's leading African-American businessmen who made his living selling insurance, managing rental property and operating a laundry and hotel. But he...

      Will Haney, a World War I vet, was one of Ferriday's leading African-American businessmen who made his living selling insurance, managing rental property and operating a laundry and hotel. But he...

      • louisiana
      • music

      Yosha Heroism

      From hebrew: "To Mazal and Pinkhas Yosha, for your arrival at heroism [symbolizing the age of 80], from the family" 

      From hebrew: "To Mazal and Pinkhas Yosha, for your arrival at heroism [symbolizing the age of 80], from the family" 

        Autry - Williams House

        The home of several leading Newton County businessmen, this house was constructed in 1912 by turpentine producer L. M. Autrey. In 1918 he sold it to N. A. Dawson, a road contractor. From 1923 to...

        The home of several leading Newton County businessmen, this house was constructed in 1912 by turpentine producer L. M. Autrey. In 1918 he sold it to N. A. Dawson, a road contractor. From 1923 to...

        • texas
        • residence
        • newton
        • newton county

        Leon "Pee Wee" Whittaker - Trombonist (1906-1993)

        Leon "Pee Wee” Whittaker was born circa 1906. He was raised mostly by his mother, Kizzie who could play "most anything” remembered Pee Wee. Mrs. Whittaker took Pee Wee on tour with her band until...

        Leon "Pee Wee” Whittaker was born circa 1906. He was raised mostly by his mother, Kizzie who could play "most anything” remembered Pee Wee. Mrs. Whittaker took Pee Wee on tour with her band...

        • louisiana
        • musician

        Dr. Samuel M. Brown

        South Carolina native Samuel M. Brown served with distinction as a surgeon in the Confederate army during the Civil War. He and his family settled in East Texas in 1866 and in 1871 moved to...

        South Carolina native Samuel M. Brown served with distinction as a surgeon in the Confederate army during the Civil War. He and his family settled in East Texas in 1866 and in 1871 moved to...

        • texas
        • doctor
        • cemetery

        Long Leaf Depot

        The depot was built on this site about 1906 as a joint agency of the St. Louis, Iron Mountain and Southern RR and the Red River and Gulf RR. Both shared expenses equally, and the RR&G provided...

        The depot was built on this site about 1906 as a joint agency of the St. Louis, Iron Mountain and Southern RR and the Red River and Gulf RR. Both shared expenses equally, and the RR&G...

        • louisiana
        • lumber
        • railroad

        Jimmy Ochiltree Sims Home

        Born in Orange, J.O. Sims (1874-1961) rose from clerk to Board Chairman during his long career with the First National Bank. He married Mary Alberta Spooner (1879-1948) in 1899 and built this...

        Born in Orange, J.O. Sims (1874-1961) rose from clerk to Board Chairman during his long career with the First National Bank. He married Mary Alberta Spooner (1879-1948) in 1899 and built...

        • texas
        • house
        • nrhp

        The Commissary

        The commissary was the social heart of any lumber or logging town. It handled all the necessities of life and also served as a meeting place for the various families, and off duty workers.The...

        The commissary was the social heart of any lumber or logging town. It handled all the necessities of life and also served as a meeting place for the various families, and off duty workers.The...

        • louisiana
        • lumber
        • town

        Captain George M. Levingston (Feb. 25, 1874 - Oct. 27, 1971)

        A licensed river captain and the son of a pioneer area shipbuilder, George M. Levingston was a leader in the development of Orange's shipbuilding industry. In 1933, after years of experience in...

        A licensed river captain and the son of a pioneer area shipbuilder, George M. Levingston was a leader in the development of Orange's shipbuilding industry. In 1933, after years of experience...

        • texas
        • orange
        • citizen